“As a Man Tinketh” – written by James Allen, published in 1903. The book was described by Allen as “… dealing with the power of thought, and particularly with the use and application of thought to happy and beautiful issues. I have tried to make the book simple, so that all can easily grasp and follow its teaching, and put into practice the methods, which it advises. It shows how, in his own thought-world, each man holds the key to every condition, good or bad, that enters into his life, and that, by working patiently and intelligently upon his thoughts, he may remake his life, and transform his circumstances.”
Here is a wonderful quote from the work itself: “Men are anxious to improve their circumstances, but are unwilling to improve themselves, they therefore remain bound.”